Update license year

Author: kazuki43zoo

mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2023 the original author or authors.
+       Copyright 2015-2024 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.